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Full text of "Winchester 70 Rifle"

mattSTm 

_^F^-_ Licensee 

• ^^TXa n d s h o t g " " 



Winchester Model 70 Bolt Action Rifle Owner's Manual 



Contents Page 

Gun safety warnings 1-3 

General description 3-4 

Terminology and descriptions 5 

Serial number 8 

Ammunition 8 

Magazine capacity 8 

General operation/special reminders 9 

Initial cleaning 9 

Oiling the action 9 

Operation of the safety 10 

Installing/removing the bolt 12 

Loading procedures — magazines 14 

Unloading procedures — magazines 15-17 

Firing procedures 17 

In the case of a misfire 18 

Bolt disassembly 18 

Sight adjustments 20 

Cleaning and maintenance suggestions 22-24 

Ordering parts / service or repair 24 



This manual covers current Model 70 versions with 
conventional magazine systems with enclosed floorplate 
and swing down-type floorplate design. This includes 
those with Classic Pre-'64 type action and push feed 
designs. This manual does not apply to Model 70's 
containing a Detachable Box Magazine (DBM). Study 
these instructions carefully to be sure you have covered all 
information about your particular Model 70. 

QUN SAFETY WARNINGS 

IT IS ESSENTIAL THAT THESE OPERATING 
INSTRUCTIONS BE THOROUGHLY STUDIED 
BEFORE USING THIS FIREARM TO ASSURE 
PROPER AND SAFE GUN HANDLING. FAILURE 
TO FOLLOW THESE INSTRUCTIONS OR FAIL- 
URE TO OBEY ANY SAFETY WARNING MAY 
RESULT IN INJURY TO YOURSELF OR OTH- 
ERS, OR CAUSE DAMAGE TO YOUR GUN. 

As a gun owner, you accept a set of demanding responsi- 
bilities. How seriously you take these responsibilities can 
be the difference between life and death. There is no 
excuse for careless or abusive handling of any firearm. 
At all times handle your rifle and any other firearm with 
intense respect for its power and potential danger. 



PLEASE READ AND UNDERSTAND ALL OF 
THE CAUTIONS, PROPER HANDLING PROCE- 
DURES AND INSTRUCTIONS OUTLINED IN 
THIS BOOKLET BEFORE USING YOUR NEW 
FIREARM. 

1 . Do not carry a loaded gun with a live round in the 
chamber while walking, running, climbing a tree, crossing 
a fence or anywhere you might slip or fall, drop the gun or 
otherwise bump or jar the gun. A gun that is dropped, 
bumped, or jarred with a chambered round might acciden- 
tally discharge even with the safety on, causing serious 
injury to you or someone else. When a round is cham- 
bered keep the safety on until you are ready to shoot. 

2. Do not rely on the safety to prevent accidental dis- 
charge. Many safeties merely block the trigger and prevent 
firing by pulling the trigger. The safety may not prevent 
an accidental discharge due to dropping, jarring, or bump- 
ing a gun. 

3. Use only ammunition for which the gun is chambered 
as indicated on the barrel, to prevent excessive pressure 
and possible serious personal injury. 

4. Incorrectly reloaded ammunition can cause serious per- 
sonal injury and damage to the firearm due to excessive 



pressure. Reload only after proper instruction and in strict 
compliance with instruction and data contained in cur- 
rent reloading manuals. 

5. Never point a gun at anything you do not intend to 
shoot. Always keep it pointed in a safe direction in case of 
accidental discharge. 

6. Always check to ensure that the barrel is free of 
obstructions before loading and using the gun. If you 
experience light recoil or off sound, check the barrel for 
obstruction. 

7. Before firing, clean any grease or oil out of barrel with 
cleaning rod and patch. Grease or heavy accumulation of 
oil can cause excessive pressure and result in serious 
personal injury. 

8. Keep barrel, chamber and action free of rust. Rust in 
the barrel and chamber can cause excessive pressures 
resulting in serious injury. A rusted, pitted or eroded bar- 
rel should be replaced. 

9. Use hearing protection to prevent ear damage from 
repeated exposure to gunfire. 

10. Always use proper shooting glasses to prevent eye 
injury from flying particles. 

1 1 . Never carry a loaded gun in a motor vehicle or carry 



one into a dwelling. Always carefully unload the gun 
before entering a motor vehicle, a dwelling or an area 
such as a camp. Always point a gun in a safe direction 
while loading or unloading to prevent serious injury in 
case of an accidental discharge. Never load in the house 
or in your vehicle. 

12. Never shoot at a hard, flat surface or at the surface of 
water to avoid a ricochet and possible serious personal 
injury to yourself or a bystander. 

13. Store guns in a clean dry place out of reach of children 
and separated from stored ammunition. 

14. Never alter any parts of your gun. Any alterations or 
adjustments that may become necessary to the operating 
mechanism should be performed by a qualified gunsmith. 

Qeneral Description 

Your new Model 70 is one of a number of different ver- 
sions and configurations offered. The basic operating pro- 
cedures are the same for nearly all of them. Where there 
are differences they are pointed out for your convenience. 

The Model 70 is a bolt action design that allows the 
shooter to load a round by cycling the action and moving 
a cartridge from a loaded magazine to the chamber. 
This can be repeated until the magazine is empty. A single 



round can also be inserted into the chamber manually. 
There are many different versions of the Model 70. 
A variety of calibers is offered. Each gun is designed to 
shoot a specific centerfire caliber. 

Your Model 70 is made with one of the following bolt 
design configurations: 

1) Pre-'64 type action with claw extractor and 
controlled round feed. 

2) Push feed design with recessed bolt face and plunger 
style ejector. 

Both designs are proven under real hunting and shooting 
conditions and offer excellent advantages to match your 
specific needs. 

Every Model 70 has a three-position safety. This sets the 
Winchester Model 70 apart from other designs. With the 
safety in the middle position, the bolt can be opened and 
operated. In the middle position the safety remains "on 
safe." Model 70s have hammer-forged rifling. This type of 
rifling is considered by many gun experts as the best rifling 
for accuracy. Your Model 70 may be equipped with the 
BOSS accuracy system (Ballistic Optimizing Shooting 
System, U.S. Patent #5,279,200). If so, it will have a full 
floating barrel. If you have the BOSS, be sure you 
thoroughly read and understand all instructions 



Cocking Indicator Safety 

Bolt Handle 



Loading/Ejection Port 



FIGURE 1A 



Optional BOSS Device 




Muzzle 



Hinged Magazine 
Floorplate 



Fore-end 



Recoil Pad 
(Butt Plate 



Stock 



Trigger 
Guard 



concerning it supplied in a separate manual with your 
rifle. If your manual is missing contact us immediately. 
The barrels on other non-BOSS models often utilize slight 
forearm pressure to maximize accuracy. 

Magazine configurations vary. Yours has one of the follow- 
ing: 

1) A hinged-type floorplate with a conventional spring 
and follower mechanism. 

2) An enclosed floorplate. 

DBM-type magazines (stands for Detachable Box 
Magazine) are not covered in this manual. Please be aware 



of which type of magazine you have and carefully read the 
instructions pertaining to it later in this manual. 

If your Model 70 is one of the new Classic Pre-'64 type 
models you'll notice the nearly identical likeness to the 
original Model 70s discontinued in 1963. You get all the 
classic design advantages of the originals, plus improve- 
ments in manufacturing and finish not possible decades 
ago. 

IMPORTANT: Refer to Figures 1 A-D for general part 
descriptions regarding your new rifle. You must become 
familiar with all part names listed before proceeding with 
the rest of the instructions in this manual. 




FIGURE 1C 



terminoloqy 
and Descriptions 



Descriptions in this manual generally refer to the gun in 
the horizontal position. That is, in the normal firing 
position. For example, the muzzle is forward or front; the 
butt stock is rearward or rear; the trigger is downward or 
underneath; the sight is upward or on top. For general 
parts terminology, refer to Figure 1 -A. 

The Winchester Model 70 is also shown disassembled to 
the extent necessary in order to follow instructions con- 
tained in this book (See Figure 1-B through 1-D). 
Figure 1-E covers the general features and benefits of the 
Model 70 design. 




Manual ejector gives more control over the way a cartridge is ejected. Unlike plunger- 
style ejector, the Model 70' s Pre-'64 t;yf>e design uses a blade system that allows you to 
vary the amount of ejection. Pull sharply rearward and the cartridge ejects well clear of 
the rifle. Pull slowly and easily pluck the round from the action. The non-mechanical 
blade ejector is so reliable, it has long been the preference of those who hunt in Africa. 




Cone-to-breech design protects bullet points for accuracy. All new Model 70s with 
Pre-'64 style actions have a precision machined coned breech. The proven cone design 
assists alignment of the cartridge point with the chamber — without marring the point 
of the bullet. You get smoother feeds, with no snags, as the cartridge neck and shoulder 
are guided into position. 





r - ^^^™ 




— T"^— . ■ J 




kT 


f 



The original Model 70 three-position 
safety is still the preferred design of 
most gun experts — it actually blocks 
the firing pin and lets you open the bolt 
with the safety on. 



The Model 70 offers our superb anti'bind 
bolt design — keeping bolt function smooth. 




The heart of any rifle is its trigger. 
The Model 70's trigger system is 
repeatedly praised for its consistency, 
precision and incredible crispness. 




The innovative field' strippable 
firing pin mechanism is easy to 
inspect and service — even in 
the outdoors. It gives you sf>e- 
cial confidence in extremely 
cold or dirty conditions. 



Most Model 70s feature 
the famous Pre'' 64 type 
action with claw extrac- 
tion. For different needs, 
models are also available 
with our proven push'feed 
bolt design. 



umam 



The Model 70 gives you the precision of 
hammer'forged rifling — the most accurate 
rifling made. 




Free floating barrels on Super Qrade, Sporter and synthetic' 
stocked models with the BOSS accuracy system. 




No other competitor's rifle gives you the 
strength and accuracy of a forged, chrome 
molybdenum, machined steel receiver and 
barrel. (Of course on stainless models, 
these components are stainless steel.) 






The optional BOSS accuracy device takes the famous Model 70 
design into a new era of accuracy. This revolutionary, patented 
technology allows barrel vibrations to be tuned to maximize accura- 
cy with virtually any load. Available on many new Model 70s. 



Throughout this manual the "action" refers to the mecha- 
nism of this rifle which loads and secures the cartridge in 
the chamber. 

Serial Number 

The serial number is located on the right side of the 
receiver, just forward of the loading/ejection port. Record 
the serial number at the front of this book for future refer- 



Ammunition 

The caliber of your Model 70 is inscribed on the left side 
of the barrel. As stated previously, use only ammunition 
for which your Model 70 is chambered — as indicated on 
the barrel — to prevent excessive pressure and possible 
serious personal injury. 

The various Model 70 actions are able to handle a large 
variety of different centerfire cartridges. Many cartridges 
have similar sounding names. 

MAKE SURE YOU USE ONLY THE EXACT 
AMMUNITION/CALIBER AS LISTED ON THE 
LEFT SIDE OF THE BARREL. 

Incorrectly reloaded ammunition can cause serious per- 
sonal injury and damage to the firearm due to excessive 



pressure. Reload only after proper instruction and in strict 
compliance with instructions and data contained in 
current reloading manuals. 

DISCHARGING FIREARMS IN POORLY 
VENTILATED AREAS, CLEANING FIREARMS, 
OR HANDLING AMMUNITION MA Y RESULT IN 
EXPOSURE TO LEAD AND OTHER 
SUBSTANCES KNOWN TO CAUSE BIRTH 
DEFECTS, REPRODUCTIVE HARM AND OTHER 
SERIOUS PHYSICAL INJURY. HAVE 
ADEQUATE VENTILATION AT ALL TIMES. 
WASH HANDS THOROUGHLY AFTER 
EXPOSURE. 

MAGAZINE CAPACITY 

It is extremely important that you know the magazine 
capacity of your Model 70. It is listed on the hang tag 
supplied with your Model 70. Under appropriate 
circumstances — at a range or other suitable shooting 
location — load your magazine to full capacity and make 
note of the number of cartridges. Remember, "total" 
capacity includes an additional round which can be 
loaded manually in the chamber in addition to a 
full magazine. 



Qeneral Operation/Special Reminders 



Initial Cleaninq 



IMPORTANT: ALWAYS KEEP THE MUZZLE 
POINTED IN A SAFE DIRECTION. 

Prior to using live ammunition, familiarize yourself thor- 
oughly with these operating instructions. Get accustomed 
to the feel of your new gun — know the forces required to 
operate the action. Learn how to pull the trigger and, 
above all, know the location and operation of the safety. 
Procedures for disassembly and operation of various com- 
ponents are outlined in the sections below. Please read 
and study them thoroughly. In addition, always remember: 

USE THE CORRECT AMMUNITION REFER- 
ENCED BY THE INSCRIPTION ON THE BAR- 
REL. 

BEFORE LOADING YOUR GUN BE SURE ALL 
GREASE AND OIL HAVE BEEN REMOVED 
FROM THE BARREL AND CHAMBER, AND 
THERE ARE NO OBSTRUCTIONS. 

INSTRUCTIONS IN THIS MANUAL ARE GIVEN 
FOR A RIGHT-HANDED GUN. MOST PROCE- 
DURES ARE THE SAME FOR RIGHT OR LEFT- 
HANDED RIFLES WITH THE EXCEPTION OF 
BOLT OPERATIONS. 



Some metal parts of your new Model 70 have been coated 
at the factory with a rust preventative compound. Before 
using your Model 70, clean the anti-rust compound from 
the inside of the barrel, receiver, breech bolt mechanism 
and the action/chamber areas. A high quality, light gun 
oil should be used to remove this compound and to give 
your new gun its first lubrication. Clean the barrel using a 
cleaning rod and patch as explained under "Cleaning and 
Maintenance Suggestions" found later in this manual. 
First lubrication suggestions are outlined below. 

If your new Model 70 is to be stored for an extended peri- 
od of time, it is permissible to leave the rust preventative 
compound in place and keep your Model 70 in its box for 
maximum protection during long-term storage. 

Oilinq the Action 

Before the first firing of your Model 70 you should first 
wipe the mechanism completely clean, clean the bore and 





FIGURE 2 




■ ^^ wr ' 


m y 




^^Ki 






k. , ^^^ !H ^™t J 


Lightly oil the action at these points. 



apply a few drops of quality oil on the following surfaces 
(See Figure 2): 

• Along the breech bolt surface and where the sleeve con- 
tacts the breech bolt. 

• Along the breech bolt surfaces on the receiver where 
the bolt contacts the receiver as it is worked. 

Avoid applying too much oil. Only a light film is neces- 
sary. Cleaning and Maintenance Suggestions should be 
followed before each oiling. 



Firing pin cocking indicator. 
Cocked 




Operation of the Safety 



The safety can only be operated when the firing pin is 
cocked. To cock the firing pin, lift up on the bolt handle 
and then return it to the locked position. When the firing 
pin is cocked, an indicator is visible at the rear of the bolt 
(See Figure 3). 



10 



Safety: Fully on. 
Most rearward position. 




1 . Fully On — This is when the safety is drawn to the 
most rearward position and in line with the bolt. Both the 
firing pin and bolt are positively locked (See Figure 4). 




Always maintain the safety in this position (fully on) 
when carrying a loaded (cartridge in chamber or magazine 
loaded) Model 70 rifle. 

2. Intermediate Position — This is when the safety is in a 
midway position (visually at a right angle to the bolt). 
This position locks the firing pin, but not the bolt. 

The intermediate position also allows for safe removal of 
an unfired cartridge from the chamber or magazine 
(See Figure 5). 

3. Firing Position — With the safety fully forward, the 
rifle is ready to fire (See Figure 6). For ease of operation, it 
is recommended that the safety be operated with the 
thumb. 



11 



Partially disassembled bolt. 



Make sure the 
sleeve lock Is 
engaged in the 
notch. 




The safety mechanism — when it is engaged — is 
designed to block the firing pin and disengage the sear to 
prevent firing. However, this mechanism will not neces- 
sarily prevent the accidental discharge of this firearm as a 
result of jarring or abuse such as occurs when a firearm is 
dropped. 

Installinq/Removinq the Bolt 

The bolt of your rifle may have been packed separately in 
the carton in which your rifle is shipped. You will need to 



insert the bolt into the action. In addition, it is always a 
good idea to remove the bolt before cleaning. 
Consequently, becoming familiar with removing and 
inserting the bolt assembly quickly and easily is absolutely 
essential. 

MAKE SURE THE FIRINQ PIN IS COCKED 
(FIRST INSTALLATION) — 

Before inserting the bolt for the first time, make sure the 
firing pin is cocked. Under most conditions it should be 
(and remain) cocked. When the firing pin is cocked, an 
indicator is visible at the rear of the bolt (Refer back to 
Figure 3). If the indicator is protruding from the bolt 
sleeve a minimum of 1/8", the firing pin is cocked. If the 
firing pin is not in the cocked position this means that the 
bolt has been partially disassembled. To remedy this sim- 
ply turn the rear section of the bolt — clockwise when 
viewed from the indicator end — until the breech bolt 
sleeve lock engages the notch in the breech bolt 
(See Figure 7). On a new gun where surfaces are not yet 
burnished from use, it may be difficult to rotate the bolt 
sleeve by hand. If so, carefully grasp the lower section of 
the firing pin in a padded vise, pull and turn. 

IMPORTANT: FULLY UNLOAD YOUR RIFLE AS 
EXPLAINED PREVIOUSLY. BE CERTAIN 



12 



1 FIGURE 8 1 


removing ine doit. ^ "^q 
Pus/? on fto/f stop. i r 





7HE/?E 4flE A/0 CARTRIDGES IN THE MAGA- 
ZINE OR CHAMBER. 

Install — 

1. Make sure the claw extractor (if gun is so equipped) is 
perfectly lined up with the right hand locking lug. 

2. Insert the bolt into the receiver with the lugs on the 
bolt aligned with the lug tracks in the receiver. 

3. Push fully forward and lower the bolt handle down to a 
locked position. The safety can now be operated. 



4. Again, make sure the safety is already in (or placed in) 
either the intermediate or rear safe positions. 

REMOVE — 

1 . To remove the bolt the firing pin must be in the 
cocked position. If it already is, proceed to step 2. If not, 
first perform the following: With the rifle unloaded and 
the muzzle pointed in a safe direction, cock the firing pin 
by raising and lowering the bolt handle. 

2. Place the safety in the intermediate position. 

3. Again, raise bolt handle and draw the bolt fully to the 
rear. 

4. Depress the bolt stop located at the left rear of the 
receiver and remove the bolt (See Figure 8). 

The breech bolt has been carefully selected and fitted at 
the factory to assure correct head space. It is etched with 
the last four digits of your rifle's serial number for identifi- 
cation purposes. To assure your safety, never interchange 
breech bolts. You will not have the proper head space. If 
the breech bolt is lost or damaged, return your rifle to the 
factory for replacement with a properly fitted bolt. 



13 



E222H 




Press the cartridge down until it 
snaps into the magazine. 


F/G(//?E 70 




^-■■ITJJ^™ 




JH 





Loadinq Procedures — 
Conventional Maqazines 



These instructions apply to Model 70s with conventional 
hinged magazine covers or enclosed magazine designs. 
Use the correct ammunition referenced by the inscription 
on the barrel. Before loading your gun be sure all grease 



and oil has been removed from the barrel and chamber, 
and there are no obstructions. 

1 . With the safety in the intermediate position lift the 
bolt handle and pull the bolt back all the way (See 
Figure 9). Lay a cartridge in the receiver just forward of 
the bolt. Press the cartridge down with your thumb until 
it snaps into the magazine (See Figure 10). 



14 



Place the next cartridge on top 
and push into magazine. 



FIGURE 12 




2. Press each succeeding cartridge similarly into the maga- 
zine (See Figure 11). 

3. With the magazine loaded to capacity, an additional 
cartridge may be placed directly into the chamber only 
when you are ready to fire. This is done by opening the 
action, inserting a round in the chamber, and pressing 
down on the top cartridge in the magazine as the bolt is 
closed (See Figure 12). 

DO NOT CARRY A GUN WITH A CARTRIDGE 
IN THE CHAMBER TO AVOID ACCIDENTAL 
DISCHARGE. 

Special Note: When loading a cartridge directly into the 
chamber (bypassing the magazine) you will experience a 



slight increase in resistance as the bolt is rotated to the 
locked position, and the extractor clears the cartridge rim. 

Unloadinq Procedures — 

Conventional Maqazines 

Unloading throuqh the Hinqed Floorplate — 

Perform the following to remove cartridges from the 
chamber and magazine on all firearms with a convention- 
al hinged magazine cover. 



15 





F/G(//?E 73 


^- 








flBMB 










h. m B ^»x 


a^ i^^^— ^^^fc Magazine 
L jfl cover /afc/7. 



1 . With the safety in the intermediate position, open the 
magazine cover by pressing back the magazine cover catch 
in front of the trigger guard (See Figure 13). 

2. Allow the magazine cover to swing open (downward). 
Allow the magazine follower to lower until it is out of the 
magazine opening. This will allow any cartridges to fall 
into your hand (See Figure 14). 

3. Lift bolt handle up and pull the bolt fully back to 
remove the cartridge from the chamber. 




4. Carefully reposition the magazine follower and maga- 
zine spring back into the magazine opening. Close the 
hinged magazine cover and make sure it snaps into place. 

5. Recheck the chamber to assure it contains no cartridge. 
If it does, cycle the action (as explained earlier) to eject 
the loaded round. 

Unloading by cyclinq the action — 

This unloading method can be used for any Model 70, but 
is the procedure required for any model with an enclosed 
magazine. 



16 



Place the safety in 
intermediate position. 
Open action. ■■_ 


, FIGURE 15 | 


'f m *^^^ 


^^^SftM 


L ~- — _ — — 




^__ 


**~^m 


w 



1 . Place the safety in the intermediate position. 

2. With the rifle pointed in a safe direction and your fin- 
ger off the trigger, operate the action (See Figure 15), 
extracting and ejecting each loaded round from the cham- 
ber. Work the action very slowly in order to easily capture 
the loaded cartridges with your free hand as they are 
ejected. Do not eject them onto the ground. This risks 
damaging them and affecting accuracy. 



IMPORTANT— ALWAYS VISUALL Y CHECK 
AND KNOW FOR SURE THAT YOUR RIFLE IS 
NOT LOADED. DO THIS BY LOOKING DIRECTLY 
INTO THE CHAMBER AND MAGAZINE WITH 
THE ACTION OPEN AND BOLT FULL Y TO THE 
REAR. 

Firing Procedures 

1 . When ready to shoot, and with a loaded cartridge in 
the chamber, the safety on, and your finger off the trigger, 
push the safety fully forward. Your rifle is now ready to fire 
with a pull of the trigger. 

REMEMBER, THE RECOIL FROM A 
CENTERFIRE RIFLE, ESPECIALLY MAGNUM 
CALIBERS, WILL BE SOMEWHAT HEAVIER 
THAN MOST OTHER GUNS, SO FIRMLY 
SHOULDER YOUR GUN, TAKE AIM, AND — 
WHEN ON TARGET— SQUEEZE THE TRIGGER. 

2. Pull the bolt handle up and fully rearward until the 
fired cartridge is ejected. 



17 



Immediately move the safety to 
one of the "safe" positions. 




3. Push the bolt fully forward, positioning a new cartridge 
from the magazine into the chamber. Lock the bolt by 
moving the bolt handle (knob) fully down. Your rifle is 
again cocked and ready to fire. Immediately put the safety 
in the middle or rear "on safe" positions until you are 
ready to fire again (See Figure 16). 

In the case of a misfire 

Only rarely will modern factory ammunition experience a 
misfire. If this ever happens to you when shooting your 
Model 70 please follow these instructions carefully. 

CAUTION: IN CASE OF MISFIRE, KEEP THE 
BARREL POINTED IN A SAFE DIRECTION, 
CAREFULLY OPEN THE ACTION WHILE 



AVOIDING DIRECT EXPOSURE TO THE 
BREECH BY YOURSELF AND OTHERS. 
REMOVE THE CARTRIDGE FROM THE 
CHAMBER. LEAVE THE ACTION OPEN AND 
FULLY UNLOAD YOUR RIFLE, REMOVING ALL 
CARTRIDGES FROM THE MAGAZINE. 

Carefully inspect the ejected cartridge. If the primer is 
indented, the cartridge should be disposed of in a manner 
that would prevent accidental injury to you or others. If 
there is no indentation, your gun has malfunctioned and 
should be serviced by a qualified gunsmith, or by the U. S. 
Repeating Arms Company Service Center in New Haven, 
Connecticut, or by an Authorized U.S. Repeating Arms 
Company Repair Station. 

Bolt Disassembly 

One of the unique advantages of a Model 70 is the ability 
to "field strip" the bolt for cleaning the firing pin mecha- 
nism. Under very harsh weather conditions and in dirty 
environments just knowing that all firing pin parts are 
clean and lightly oiled can add an extra measure of confi- 
dence to your hunt. 

Make sure you have a clean place to work and a good 
place to put the bolt components as they are disassem- 



18 




bled. Disassembling the bolt can be done in the field, but 
remember, there are small parts involved, some of which 
are under spring tension. 

BE CERTAIN THERE ARE NO CARTRIDGES IN 
THE MAGAZINE OR CHAMBER. 



DISASSEMBLY — 

1 . To remove the bolt the firing pin must be in the 
cocked position. If it already is, proceed to step 2. If not, 
first perform the following: With the rifle unloaded and 
the muzzle pointed in a safe direction, cock the firing pin 
by raising and lowering the bolt handle. 

2. Place the safety in the intermediate position. 

3. Raise the bolt and remove it from the rifle as explained 
previously. 

4. Depress the small breech bolt sleeve lock with your 
thumb (See Figure 17) and turn the breech bolt sleeve to 
the left (counterclockwise looking from the rear of the 
bolt). It takes about six turns for the breech bolt sleeve 
(and the connected firing pin assembly) to unscrew from 
the breech bolt. Carefully pull the entire assembly out of 
the breech bolt. 



19 




5. Be extremely careful to leave the safety in the interme- 
diate position. 

6. It is not necessary or recommended that you disassem- 
ble the firing pin assembly further than this 

(See Figure 18). 

7. Carefully wipe clean and very lightly oil the assembly. 
Aerosol lubricants are excellent for forcing out any dirt, 
grit or moisture. 

REASSEMBLY — 

1 . Screw the firing pin assembly back into the breech bolt 
until the breech bolt sleeve lock engages the notch in the 
breech bolt. 



2. Reinsert the bolt into the receiver as explained previ- 
ously. 

IMPORTANT: Should the safety be inadvertently put in 
the forward (fire) position with the firing pin removed, 
the firing pin will be released forward and locked in the 
forward position. This makes reassembling the firing pin 
into the breech bolt somewhat more difficult. 

As the breech bolt sleeve/firing pin assembly is screwed 
back into the breech bolt the cocking ramp of the firing 
pin must compress then uncompress several times before 
the assembly is fully screwed in. Place the breech bolt on 
a flat hard surface and using the breech bolt handle and 
the head of the bolt as a support, firmly turn the breech 
bolt sleeve clockwise until it snaps into position. Once 
the bolt assembly is installed in the action and the bolt 
closed and cycled, the firing pin will recock, and the safe- 
ty can be moved back to the intermediate or rear position. 

SIQHT ADJUSTMENTS 

Some Model 70 rifles are fitted with open sights. The 
style and adjustment system may vary between models 
and grades. The proper procedure is to shoot a group with 
the sights set as they come from the factory (intermediate 
position on both elevation and windage), and then make 



20 



incremental adjustments to move the sight blade and 
blade holder to position the group on your target. The 
procedures below are for the most common type of open 
sights found on Model 70 rifles. 

BEFORE MAKING ANY SIGHT ADJUSTMENTS, 
MAKE SURE YOUR RIFLE IS FULLY 
UNLOADED AND THE MUZZLE IS POINTED IN 
A SAFE DIRECTION. PLACE THE SAFETY IN 
EITHER THE INTERMEDIATE OR REAR SAFE 
POSITION. 

Up or down elevation adjustments. 

Adjusting your rifle to shoot higher requires you to raise 
the rear notch on your rifle's elevation adjustment. With 
most Model 70 sights this is accomplished by first loosen- 
ing the screw on the elevation adjustment and then mov- 
ing the rear sight blade (the part with rear notch) upward. 
Use your fingers to lift it up. Then retighten the screw. 
Marked index lines give you a reference as you adjust the 
sight. Adjusting the sight to make your rifle shoot lower is 
just the opposite — move the sight blade down. 
Remember: 

• Move the blade up to shoot higher. 

• Move the blade down to shoot lower. 



RIQHT OR LEFT WINDAQE ADJUSTMENTS. 

On most Model 70 sights, the entire rear sight blade hold- 
er is dove-tailed in the rear sight base. To adjust for 
windage, first loosen the rear sight windage screw which 
secures the rear sight blade holder in the dove-tail on the 
base. Gently move the rear sight blade holder to the right 
with your fingers. Your gun will now shoot more to the 
right. Moving the blade holder to the left is just as easily 
done. The position of the rear sight base with respect to 
the sight mount on the barrel is marked with index lines. 
Note how much you adjust the sight as you sight in your 
rifle. Remember: 

• Move the rear sight to the right to shoot farther to 
the right on the target. 

• Move the rear sight to the left to shoot farther to 
the left on the target. 

After each adjustment, and before shooting, tighten the 
rear sight windage screw. 

On some sights the front sight blade (base) is dove-tailed 
in the front sight ramp. The blade can be tapped right or 
left to attain additional windage adjustment or to replace 
a damaged front sight. Under most circumstances this is 
never necessary. Adjusting sights is a matter of trial and 



21 



error. Make incremental adjustments then check 
the result. 

Care should be taken not to mar the finish or bend sights 
when adjustments are made. The rear sight blade can be 
folded down and the front hood removed for storage or 
when a scope is used. 

Cleaninq and Maintenance Suqqestions 

The Model 70 will function better and more reliably over 
a longer period of time if it is properly maintained and 
kept clean. 

BEFORE PERFORMING ANY CLEANING PRO- 
CEDURES, ALWAYS MAKE CERTAIN THERE 
ARE NO CARTRIDGES IN THE CHAMBER, 
MAGAZINE OR ACTION/FEED AREAS. 

You should clean your Model 70 after every day of 
shooting and more often if it becomes excessively dirty. 
If shooting for extreme accuracy your Model 70 should 
be cleaned after every 50 shots or even as few as every 
25 shots under competitive conditions. 

A minimum cleaning includes wiping down the action 
and oiling key parts. Most regular maintenance will also 
include cleaning the barrel. If you encounter a function 
problem (tight action when working the bolt), be sure to 



give your gun a thorough cleaning to see if it solves the 
problem before seeking the services of our service facility 
or a competent gunsmith. 

To clean your firearm, follow the general outline below: 

CLEANINQ PROCEDURES — 

BE CERTAIN YOUR GUNS CHAMBER AND 
MAGAZINE ARE UNLOADED. ALWAYS WEAR 
PROTECTIVE SAFETY GLASSES DURING 
ALL CLEANING PROCEDURES. KEEP 
AMMUNITION AWAY FROM THE CLEANING 
AREA. DO NOT TEST THE FUNCTION OF 
YOUR FIREARM WITH LIVE AMMUNITION. 

Always place the safety in the intermediate "on" (safe) 
position before beginning any cleaning procedure. 
Remove the bolt from your rifle as explained previously. 

1 . Use a cleaning rod with a tip and patch suitable for the 
caliber of your Model 70's bore. Make sure the patch is 
large enough for a snug fit in the bore. Insert the rod and 
patch into the barrel at the receiver end and run it back 
and forth several times. Use a crown protector if you are 
cleaning from the muzzle end of the barrel. Damage to the 
crown of a barrel can affect the accuracy of your rifle. 



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If your Model 70 is equipped with the BOSS accuracy 
device please refer to special instructions on cleaning 
found in the BOSS special supplement manual. If your 
special BOSS manual is missing, write or call our 
Customer Service department for a free copy. 

2. Inspect the chamber and bore for brass, copper and 
powder fouling. A normal amount of powder residue can 
be expected and is not serious. It can usually be removed 
by repeating step one, using a patch saturated with sol- 
vent. If or when fouling should become heavy, it can be 
removed with a brass bore brush. Dip or spray the brush 
with solvent and scrub the chamber and bore until the 
fouling is removed. To prevent brass bristles from 
breaking off, the brush should be pushed completely 
through the bore before being withdrawn. 

3. After fouling has been removed the bore should be 
wiped dry. Then pass a slightly oiled patch through 
the bore, for preservation. A fine, light gun oil 

is recommended. 

4. Wipe all exposed metal surfaces of the receiver, forearm 
and barrel with a clean rag. Finger marks should be 
removed because they provide a place where moisture can 
accumulate. Any dried oil in the receiver area should also 
be removed. 



5. Lightly oil your gun at the points described under 
"Oiling the Action" explained earlier in this manual. 
Ordinary good judgment will, of course, indicate that the 
metal of the gun should receive a light film of oil any time 
the rifle has been exposed to weather or handling. This is 
very important and must be done with every rifle — even 
stainless steel models. Remember, the polished, finely 
fitted surfaces of the receiver and action mechanisms must 
always have a thin film of oil. Make sure that the surfaces 
of the breech bolt are especially clean and lightly oiled 
with a high quality gun oil. Do not use pure silicone 

or lanolin. 

6. Inspect the barrel and chamber. Make certain that no 
patches have been inadvertently left in them. Remove 
any that remain. 

7. Wipe all wood surfaces. 

8. When transporting only, store your Model 70 in a 
quality protective case to prevent scratches and dents. 
Store in a dry place to prevent corrosion. Store away 
from children. 

MAKE SURE YOUR RIFLE IS UNLOADED AND 
ALWAYS STORE AMMUNITION SEPARA TEL Y. 



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OTHER CLEANINQ SUQQESTIONS — 

• Never pour large quantities of oil into the receiver or 
other parts. It can drain down to the wood and soften it 
— and cause permanent damage and loosening of the 
stock. 

• After extended periods of heavy use, your gun should 
be taken to a qualified gunsmith to have the action 
disassembled for professional cleaning and lubrication. 

NEVER ATTEMPT TO TAKE YOUR MODEL 70 
APART FURTHER THAN EXPLAINED IN THIS 
MANUAL. 

This is a specialized, finely fitted mechanism. You may 
permanently mar it by attempting to disassemble the 
inner mechanism assemblies. If further disassembly for 
service or cleaning is required, take your gun to a U. S. 
Repeating Arms Company recommended Service Center 
or a competent gunsmith as explained under "Service 
or Repair." 



Orderinq Parts 



To order parts, please write our parts department and 
furnish the following: your name, address, and telephone 
number. Also specify the caliber, model, serial number 
and grade of your Winchester Model 70. When we 
receive your request, we will send an order form and a 
parts breakdown with prices. 

Write to: 

Parts Department 

U.S. Repeating Arms Company, Inc. 

275 Winchester Avenue 

New Haven, Connecticut 06511^1970 

CAUTION: PARTS ARE MADE FOR 
WINCHESTER BRAND GUNS MANUFACTURED 
BY U.S. REPEATING ARMS COMPANY, INC., 
AND SHOULD NOT BE USED IN OTHER GUNS 
EVEN THOUGH MODELS MA Y BE SIMILAR. 
IMPROPERL Y FITTED PARTS MA Y BE 
DANGEROUS. 



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Service or Repair 



If your Winchester Model 70 rifle should ever need repair 
or service we suggest you utilize one of the world-wide 
network of U.S. Repeating Arms Company Authorized 
Service Centers for Winchester firearms. A special service 
center for your Model 70 also provides the full scope of 
service for your rifle. If you have any questions about how 
to obtain service for your Winchester Model 70 rifle, call 
or write our Firearms Service Center: 

Firearms Service Center 
U.S. Repeating Arms Company, Inc. 
275 Winchester Avenue 
New Haven, Connecticut 06511-1970 
Phone: (203) 789-5008 or 

1-800-945-1392 

When returning your firearm for servicing you must. 

1. Make sure it is completely unloaded. 

2. Package the firearm securely. Wrap the rifle in paper or 
other protective packaging and place gun in the original 
box, including a note of explanation. (The box supplied 
with your rifle will protect the gun, but is not designed for 



shipping.) Place inside a cardboard box approved for 
strength in interstate shipping. 

U.S. REPEATING ARMS COMPANY IS NOT 
RESPONSIBLE FOR DAMAGE INCURRED 
DURING SHIPPING. 

3. Ensure that a letter is enclosed with your firearm 
(attached to it in some way) describing the trouble 
experienced and the repairs or alterations desired. 
Include your complete address and both work and home 
phone numbers. 

4. Remember, never return ammunition with your 
firearm. It is against postal and most commerce 
regulations. 

If you have other questions about Winchester rifles and 
shotguns, call or write our Customer Service department: 

Customer Service 

U. S. Repeating Arms Company, Inc. 

275 Winchester Avenue 

Morgan, Utah 84050-9333 

Phone: 1-800-945-5237 



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Winchester trademarks licensed from Olin Corporation.